<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<div class="common-size chapter-cover-container">

    <div class="chapter-num">
        <h1>01</h1>
        <div class="cover-triangle"></div>
        <div class="cover-line"></div>
        <h4>设备盘点情况</h4>
    </div>
</div>


<style>
.chapter-num{
    width: 400px;
    height: 335px;
    margin: 300px auto 0 auto;
    position: relative;
    text-align: center;
    background: red;
}
</style>

</body>




</html>